73252287 has 12 divisors (see below), whose sum is σ = 109222464. Its totient is φ = 47259360.

The previous prime is 73252279. The next prime is 73252297. The reversal of 73252287 is 78225237.

It is a happy number.

It is not a de Polignac number, because 73252287 - 2³ = 73252279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73252247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130998 + ... + 131555.

It is an arithmetic number, because the mean of its divisors is an integer number (9101872).

Almost surely, 2^73252287 is an apocalyptic number.

73252287 is a deficient number, since it is larger than the sum of its proper divisors (35970177).

73252287 is a wasteful number, since it uses less digits than its factorization.

73252287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262590 (or 262587 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 73252287 is about 8558.7549912356. The cubic root of 73252287 is about 418.4148240302.

The spelling of 73252287 in words is "seventy-three million, two hundred fifty-two thousand, two hundred eighty-seven".